/// <summary>
/// Parse a specified node and bullet into this task
/// </summary>
/// <param name="myNode">the node for this dude</param>
/// <param name="bullet">the bullet this dude is controlling</param>
public override void ParseTasks(Bullet bullet)
{
//set the number of times to repeat this action
var actionNode = Node as ActionNode;
Debug.Assert(null != actionNode);
RepeatNumMax = actionNode.RepeatNum(this, bullet);
//is this an actionref task?
if (ENodeName.actionRef == Node.Name)
{
//add a sub task under this one for the referenced action
ActionRefNode myActionRefNode = Node as ActionRefNode;
//create the action task
ActionTask actionTask = new ActionTask(myActionRefNode.ReferencedActionNode, this);
//parse the children of the action node into the task
actionTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(actionTask);
}
//call the base class
base.ParseTasks(bullet);
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
bullet.MyBulletManager.Trigger(bullet, Flag);
TaskFinished = true;
return ERunStatus.End;
}
/// <summary>
/// Init this task and all its sub tasks.
/// This method should be called AFTER the nodes are parsed, but BEFORE run is called.
/// </summary>
/// <param name="bullet">the bullet this dude is controlling</param>
public override void InitTask(Bullet bullet)
{
//Init task is being called on a RepeatTask, which means all the sequence nodes underneath this one need to be reset
//Call the HardReset method of the base class
HardReset(bullet);
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
//remove the bullet via the bullet manager interface
IBulletManager manager = bullet.MyBulletManager;
Debug.Assert(null != manager);
manager.RemoveBullet(bullet);
return ERunStatus.End;
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
if (_soundName.Contains("+"))
{
SoundEngine.PlayRandomClip(_soundName.Split('+'));
}
else
{
SoundEngine.PlayClip(_soundName);
}
return ERunStatus.End;
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
Duration -= 1.0f * bullet.TimeSpeed * TimeFix.Delta;
if (Duration >= 0.0f && startDuration > 1f) // 1 frame duration should not be affected by delta time
{
return ERunStatus.Stop;
}
else
{
TaskFinished = true;
return ERunStatus.End;
}
}
/// <summary>
/// Get the number of times this action should be repeated.
/// </summary>
/// <param name="myTask">the task to get the number of repeat times for</param>
/// <returns>The number of times to repeat this node, as specified by a parent Repeat node.</returns>
public int RepeatNum(ActionTask myTask, Bullet bullet)
{
if (null != ParentRepeatNode)
{
//Get the equation value of the repeat node
return (int)ParentRepeatNode.GetChildValue(ENodeName.times, myTask, bullet);
}
else
{
//no repeat nodes, just repeat it once
return 1;
}
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
Duration -= 1.0f * bullet.TimeSpeed;
if (Duration >= 0.0f)
{
return ERunStatus.Stop;
}
else
{
TaskFinished = true;
return ERunStatus.End;
}
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
bullet.Speed += SpeedChange;
Duration -= 1.0f * bullet.TimeSpeed;
if (Duration <= 0.0f || startDuration <= 1)
{
TaskFinished = true;
return ERunStatus.End;
}
else
{
return ERunStatus.Continue;
}
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
bullet.Speed += GetSpeed(bullet);
RunDelta += 1.0f * bullet.TimeSpeed;
if (Duration <= RunDelta)
{
TaskFinished = true;
return ERunStatus.End;
}
else
{
//since this task isn't finished, run it again next time
return ERunStatus.Continue;
}
}
public override ERunStatus Run(Bullet bullet)
{
//change the direction of the bullet by the correct amount
bullet.Direction += DirectionChange;
//decrement the amount if time left to run and return End when this task is finished
Duration -= 1.0f * bullet.TimeSpeed;
if (Duration <= 0.0f)
{
TaskFinished = true;
return ERunStatus.End;
}
else
{
//since this task isn't finished, run it again next time
return ERunStatus.Continue;
}
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
//Add the acceleration to the bullet
bullet.Acceleration += Acceleration;
//decrement the amount if time left to run and return End when this task is finished
Duration -= 1.0f * bullet.TimeSpeed * TimeFix.Delta;
if (Duration <= 0.0f || startDuration <= 1)
{
TaskFinished = true;
return ERunStatus.End;
}
else
{
//since this task isn't finished, run it again next time
return ERunStatus.Continue;
}
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
//run the action until we hit the limit
while (RepeatNum < RepeatNumMax)
{
ERunStatus runStatus = base.Run(bullet);
//What was the return value from running all teh child actions?
switch (runStatus)
{
case ERunStatus.End:
{
//The actions completed successfully, initialize everything and run it again
RepeatNum++;
//reset all the child tasks
foreach (BulletMLTask task in ChildTasks)
{
task.InitTask(bullet);
}
}
break;
case ERunStatus.Stop:
{
//Something in the child tasks paused this action
return runStatus;
}
default:
{
//One of the child tasks needs to keep running next frame
return ERunStatus.Continue;
}
}
}
//if it gets here, all the child tasks have been run the correct number of times
TaskFinished = true;
return ERunStatus.End;
}
/// <summary>
/// Parse a specified node and bullet into this task
/// </summary>
/// <param name="myNode">the node for this dude</param>
/// <param name="bullet">the bullet this dude is controlling</param>
public override void ParseTasks(Bullet bullet)
{
//is this an actionref task?
if (ENodeName.actionRef == Node.Name)
{
//add a sub task under this one for the referenced action
ActionRefNode myActionRefNode = Node as ActionRefNode;
//create the action task
ActionTask actionTask = new ActionTask(myActionRefNode.ReferencedActionNode, this);
//parse the children of the action node into the task
actionTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(actionTask);
}
//call the base class
base.ParseTasks(bullet);
}
void Start()
{
// Read pattern file
// We can optimize this later, making it read
// every pattern once and storing it somewhere
pattern = new BulletPattern();
//pattern.ParseXML(Application.dataPath + "/BulletPatterns/" + PatternFile.name + ".xml");
//pattern.ParseXML(PatternFile.name + ".xml");
pattern.ParseXML (patternFile);
// Find the bullet manager
// (we need this for the root bullet)
BulletManagerScript bManager = FindObjectOfType<BulletManagerScript>();
// Instantiate root bullet
rootBullet = new BulletObject(bManager);
// Set its initial position
rootBullet.X = transform.position.x;
rootBullet.Y = transform.position.y;
// Assign its pattern
rootBullet.InitTopNode(pattern.RootNode);
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
//set the length of time to run this dude
startDuration = Node.GetChildValue(ENodeName.term, this);
//check for divide by 0
if (0.0f == startDuration)
{
startDuration = 1.0f;
}
float ratio = TimeFix.Framerate / 60f;
startDuration *= ratio;
Duration = startDuration;
switch (Node.GetChild(ENodeName.speed).NodeType)
{
case ENodeType.sequence:
{
SpeedChange = Node.GetChildValue(ENodeName.speed, this);
}
break;
case ENodeType.relative:
{
SpeedChange = Node.GetChildValue(ENodeName.speed, this) / Duration;
}
break;
default:
{
SpeedChange = (Node.GetChildValue(ENodeName.speed, this) - bullet.Speed) / Duration;
}
break;
}
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
RepeatNum = 0;
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
//set the accelerataion we are gonna add to the bullet
startDuration = Node.GetChildValue(ENodeName.term, this);
//check for divide by 0
if (0.0f == startDuration)
{
startDuration = 1.0f;
}
Duration = startDuration;
//Get the horizontal node
HorizontalNode horiz = Node.GetChild(ENodeName.horizontal) as HorizontalNode;
if (null != horiz)
{
//Set the x component of the acceleration
switch (horiz.NodeType)
{
case ENodeType.sequence:
{
//Sequence in an acceleration node means "add this amount every frame"
_acceleration.x = horiz.GetValue(this);
}
break;
case ENodeType.relative:
{
//accelerate by a certain amount
_acceleration.x = horiz.GetValue(this) / Duration;
}
break;
default:
{
//accelerate to a specific value
_acceleration.x = (horiz.GetValue(this) - bullet.Acceleration.x) / Duration;
}
break;
}
}
//Get the vertical node
VerticalNode vert = Node.GetChild(ENodeName.vertical) as VerticalNode;
if (null != vert)
{
//set teh y component of the acceleration
switch (vert.NodeType)
{
case ENodeType.sequence:
{
//Sequence in an acceleration node means "add this amount every frame"
_acceleration.y = vert.GetValue(this);
}
break;
case ENodeType.relative:
{
//accelerate by a certain amount
_acceleration.y = vert.GetValue(this) / Duration;
}
break;
default:
{
//accelerate to a specific value
_acceleration.y = (vert.GetValue(this) - bullet.Acceleration.y) / Duration;
}
break;
}
}
}
protected override void SetupTask(Bullet bullet)
{
_soundName = Node.Text;
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public override ERunStatus Run(Bullet bullet)
{
//Create the new bullet
IBullet newBullet = bullet.MyBulletManager.CreateBullet();
if (newBullet == null)
{
//wtf did you do???
TaskFinished = true;
return ERunStatus.End;
}
//set the location of the new bullet
newBullet.X = bullet.X;
newBullet.Y = bullet.Y;
//set the direction of the new bullet
newBullet.Direction = FireDirection;
//set teh speed of the new bullet
newBullet.Speed = FireSpeed;
//initialize the bullet with the bullet node stored in the Fire node
FireNode myFireNode = Node as FireNode;
Debug.Assert(null != myFireNode);
newBullet.InitNode(myFireNode.BulletDescriptionNode);
//set the owner of all the top level tasks for the new bullet to this dude
foreach (BulletMLTask task in newBullet.Tasks)
{
task.Owner = this;
}
TaskFinished = true;
return ERunStatus.End;
}
/// <summary>
/// Run this task and all subtasks against a bullet
/// This is called once a frame during runtime.
/// </summary>
/// <returns>ERunStatus: whether this task is done, paused, or still running</returns>
/// <param name="bullet">The bullet to update this task against.</param>
public virtual ERunStatus Run(Bullet bullet)
{
//run all the child tasks
TaskFinished = true;
for (int i = 0; i < ChildTasks.Count; i++)
{
//is the child task finished running?
if (!ChildTasks[i].TaskFinished)
{
//Run the child task...
ERunStatus childStaus = ChildTasks[i].Run(bullet);
if (childStaus == ERunStatus.Stop)
{
//The child task is paused, so it is not finished
TaskFinished = false;
return childStaus;
}
else if (childStaus == ERunStatus.Continue)
{
//child task needs to do some more work
TaskFinished = false;
}
}
}
return (TaskFinished ? ERunStatus.End : ERunStatus.Continue);
}
/// <summary>
/// Parse a specified node and bullet into this task
/// </summary>
/// <param name="myNode">the node for this dude</param>
/// <param name="bullet">the bullet this dude is controlling</param>
public virtual void ParseTasks(Bullet bullet)
{
if (null == bullet)
{
throw new NullReferenceException("bullet argument cannot be null");
}
foreach (BulletMLNode childNode in Node.ChildNodes)
{
ParseChildNode(childNode, bullet);
}
}
/// <summary>
/// Parse a specified node and bullet into this task
/// </summary>
/// <param name="myNode">the node for this dude</param>
/// <param name="bullet">the bullet this dude is controlling</param>
public virtual void ParseChildNode(BulletMLNode childNode, Bullet bullet)
{
Debug.Assert(null != childNode);
Debug.Assert(null != bullet);
//construct the correct type of node
switch (childNode.Name)
{
case ENodeName.repeat:
{
//convert the node to an repeatnode
RepeatNode myRepeatNode = childNode as RepeatNode;
//create a placeholder bulletmltask for the repeat node
RepeatTask repeatTask = new RepeatTask(myRepeatNode, this);
//parse the child nodes into the repeat task
repeatTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(repeatTask);
}
break;
case ENodeName.action:
{
//convert the node to an ActionNode
ActionNode myActionNode = childNode as ActionNode;
//create the action task
ActionTask actionTask = new ActionTask(myActionNode, this);
//parse the children of the action node into the task
actionTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(actionTask);
}
break;
case ENodeName.actionRef:
{
//convert the node to an ActionNode
ActionRefNode myActionNode = childNode as ActionRefNode;
//create the action task
ActionTask actionTask = new ActionTask(myActionNode, this);
//add the params to the action task
for (int i = 0; i < childNode.ChildNodes.Count; i++)
{
actionTask.ParamList.Add(childNode.ChildNodes[i].GetValue(this, bullet));
}
//parse the children of the action node into the task
actionTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(actionTask);
}
break;
case ENodeName.changeSpeed:
{
ChildTasks.Add(new ChangeSpeedTask(childNode as ChangeSpeedNode, this));
}
break;
case ENodeName.changeDirection:
{
ChildTasks.Add(new ChangeDirectionTask(childNode as ChangeDirectionNode, this));
}
break;
case ENodeName.fire:
{
//convert the node to a fire node
FireNode myFireNode = childNode as FireNode;
//create the fire task
FireTask fireTask = new FireTask(myFireNode, this);
//parse the children of the fire node into the task
fireTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(fireTask);
}
break;
case ENodeName.fireRef:
{
//convert the node to a fireref node
FireRefNode myFireNode = childNode as FireRefNode;
//create the fire task
FireTask fireTask = new FireTask(myFireNode.ReferencedFireNode, this);
//add the params to the fire task
for (int i = 0; i < childNode.ChildNodes.Count; i++)
{
fireTask.ParamList.Add(childNode.ChildNodes[i].GetValue(this, bullet));
}
//parse the children of the action node into the task
fireTask.ParseTasks(bullet);
//store the task
ChildTasks.Add(fireTask);
}
break;
case ENodeName.wait:
{
ChildTasks.Add(new WaitTask(childNode as WaitNode, this));
}
break;
case ENodeName.vanish:
{
ChildTasks.Add(new VanishTask(childNode as VanishNode, this));
}
break;
case ENodeName.accel:
{
ChildTasks.Add(new AccelTask(childNode as AccelNode, this));
}
break;
}
}
/// <summary>
/// Init this task and all its sub tasks.
/// This method should be called AFTER the nodes are parsed, but BEFORE run is called.
/// </summary>
/// <param name="bullet">the bullet this dude is controlling</param>
public virtual void InitTask(Bullet bullet)
{
TaskFinished = false;
foreach (BulletMLTask task in ChildTasks)
{
task.InitTask(bullet);
}
SetupTask(bullet);
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
//set the time length to run this dude
Duration = Node.GetChildValue(ENodeName.term, this);
//check for divide by 0
if (0.0f == Duration)
{
Duration = 1.0f;
}
//Get the amount to change direction from the nodes
DirectionNode dirNode = Node.GetChild(ENodeName.direction) as DirectionNode;
float value = dirNode.GetValue(this) * (float)Mathf.PI / 180.0f; //also make sure to convert to radians
//How do we want to change direction?
ENodeType changeType = dirNode.NodeType;
switch (changeType)
{
case ENodeType.sequence:
{
//We are going to add this amount to the direction every frame
DirectionChange = value;
}
break;
case ENodeType.absolute:
{
//We are going to go in the direction we are given, regardless of where we are pointing right now
DirectionChange = value - bullet.Direction;
}
break;
case ENodeType.relative:
{
//The direction change will be relative to our current direction
DirectionChange = value;
}
break;
default:
{
//the direction change is to aim at the enemy
DirectionChange = ((value + bullet.GetAimDir()) - bullet.Direction);
}
break;
}
//keep the direction between 0 and 360
if (DirectionChange > Mathf.PI)
{
DirectionChange -= 2 * (float)Mathf.PI;
}
else if (DirectionChange < -Mathf.PI)
{
DirectionChange += 2 * (float)Mathf.PI;
}
//The sequence type of change direction is unaffected by the duration
if (changeType != ENodeType.sequence)
{
//Divide by the duration so we ease into the direction change
DirectionChange /= Duration;
}
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
//get the direction to shoot the bullet
//is this the first time it has ran? If there isn't a sequence node, we don't care!
if (InitialRun || (null == SequenceDirectionTask))
{
//do we have an initial direction node?
if (null != InitialDirectionTask)
{
//Set the fire direction to the "initial" value
float newBulletDirection = InitialDirectionTask.GetNodeValue(bullet) * (float)Math.PI / 180.0f;
switch (InitialDirectionTask.Node.NodeType)
{
case ENodeType.absolute:
{
//the new bullet points right at a particular direction
FireDirection = newBulletDirection;
}
break;
case ENodeType.relative:
{
//the new bullet direction will be relative to the old bullet
FireDirection = newBulletDirection + bullet.Direction;
}
break;
default:
{
//aim the bullet at the player
FireDirection = newBulletDirection + bullet.GetAimDir();
}
break;
}
}
else
{
//There isn't an initial direction task, so just aim at the bad guy.
//aim the bullet at the player
FireDirection = bullet.GetAimDir();
}
}
else if (null != SequenceDirectionTask)
{
//else if there is a sequence node, add the value to the "shoot direction"
FireDirection += SequenceDirectionTask.GetNodeValue(bullet) * (float)Math.PI / 180.0f;
}
//Set the speed to shoot the bullet
//is this the first time it has ran? If there isn't a sequence node, we don't care!
if (InitialRun || (null == SequenceSpeedTask))
{
//do we have an initial speed node?
if (null != InitialSpeedTask)
{
//set the shoot speed to the "initial" value.
float newBulletSpeed = InitialSpeedTask.GetNodeValue(bullet);
switch (InitialSpeedTask.Node.NodeType)
{
case ENodeType.relative:
{
//the new bullet speed will be relative to the old bullet
FireSpeed = newBulletSpeed + bullet.Speed;
}
break;
default:
{
//the new bullet shoots at a predeterminde speed
FireSpeed = newBulletSpeed;
}
break;
}
}
else
{
//there is no initial speed task, use the old dude's speed
FireSpeed = bullet.Speed;
}
}
else if (null != SequenceSpeedTask)
{
//else if there is a sequence node, add the value to the "shoot direction"
FireSpeed += SequenceSpeedTask.GetNodeValue(bullet);
}
//make sure the direction is between 0 and 359
while (FireDirection > Math.PI)
{
FireDirection -= (2.0f * (float)Math.PI);
}
while (-Math.PI > FireDirection)
{
FireDirection += (2.0f * (float)Math.PI);
}
//make sure we don't overwrite the initial values if we aren't supposed to
NumTimesInitialized++;
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected virtual void SetupTask(Bullet bullet)
{
//overload in child classes
}
/// <summary>
/// Gets the node value.
/// </summary>
/// <returns>The node value.</returns>
public float GetNodeValue(Bullet bullet)
{
return Node.GetValue(this, bullet);
}
/// <summary>
/// Parse a specified node and bullet into this task
/// </summary>
/// <param name="myNode">the node for this dude</param>
/// <param name="bullet">the bullet this dude is controlling</param>
public override void ParseTasks(Bullet bullet)
{
if (null == bullet)
{
throw new NullReferenceException("bullet argument cannot be null");
}
foreach (BulletMLNode childNode in Node.ChildNodes)
{
ParseChildNode(childNode, bullet);
}
//Setup all the direction nodes
GetDirectionTasks(this);
GetDirectionTasks(BulletRefTask);
//setup all the speed nodes
GetSpeedNodes(this);
GetSpeedNodes(BulletRefTask);
}
/// <summary>
/// This gets called when nested repeat nodes get initialized.
/// </summary>
/// <param name="bullet">Bullet.</param>
public virtual void HardReset(Bullet bullet)
{
TaskFinished = false;
foreach (BulletMLTask task in ChildTasks)
{
task.HardReset(bullet);
}
SetupTask(bullet);
}
/// <summary>
/// this sets up the task to be run.
/// </summary>
/// <param name="bullet">Bullet.</param>
protected override void SetupTask(Bullet bullet)
{
Duration = Node.GetValue(this, bullet.MyBulletManager);
}
